As one of the pillar industries of the national economy, cement industry has been deeply engaged in high-quality development in recent years. It is the inevitable direction of China’s cement industry to realize energy-saving and environmental protection, green and low-carbon development. How to solve the technical problems of energy-saving and environmental protection, how to realize the transformation and application of energy-saving and environmental protection technology, and how to improve the overall energy-saving and environmental protection level of the industry have become the key tasks of the cement industry Business.
As we all know, the cement industry is a high energy consumption industry, and the fan equipment in the common process system is a big energy consumer, accounting for more than 30% of the total production energy consumption, which seriously restricts the cost reduction and efficiency increase of cement enterprises, and is also contrary to the main idea of “second generation cement” of energy saving, high efficiency, environmental protection and intelligence. With the rapid development of science and technology, high-efficiency and energy-saving fan as a high-tech product has gradually entered the market. In the cement industry, it is imperative to replace the traditional high-energy consumption fan with high-efficiency energy-saving blower, so as to reduce production energy consumption and realize high-quality development of the industry.
In recent years, with the application of high-efficiency and energy-saving fans in the market more and more mature, the transformation projects of energy-saving fan in cement plant are increasing, and gradually become the industry trend. Magnetic levitation centrifugal blower adopts the world’s advanced magnetic bearing, high-power high-speed permanent magnet synchronous motor, high-efficiency centrifugal impeller, special control system and other core technologies, which greatly improves the efficiency of the equipment. The overall technical level has reached the domestic leading and international advanced level, breaking the monopoly of a few developed countries on magnetic levitation technology and filling in the domestic blank.
From the point of view of environmental protection, the magnetic suspension centrifugal blower has no oil and the environment is clean and tidy. There is no mechanical friction in the running process, and the running noise is greatly reduced. Compared with the traditional roots blower, the advantages are very obvious.
From the intelligent point of view, the traditional roots blower has no direct data display in the operation process, and the operating conditions and energy consumption are completely a “black box”. The integrated design of magnetic levitation centrifugal blower has man-machine interface to display the current working state of the equipment in real time, such as flow rate, pressure, operating power, inlet and outlet temperature and filter screen status. The operation data of the fan can also be transmitted to the server through the cloud service system, and the operation status of each device can be viewed in real time on the display screen of the central control room or mobile phone and other mobile terminals.
From the point of view of energy saving and consumption reduction, compared with the traditional roots blower, the magnetic suspension centrifugal blower can reduce energy consumption by more than 30%. Taking a 5000 ton production line as an example, about 5-6 75kW magnetic levitation centrifugal blowers are needed. Each equipment can save about 300000 kwh of electricity per year, and a production line can save about 1.8 million kwh a year.
Magnetic suspension centrifugal blower has been recognized by many cement enterprises for its remarkable advantages of energy saving and environmental protection, low noise, easy installation and low maintenance cost, such as Nanfang cement, Zoomlion, Lafarge, southwest cement, etc. At present, the magnetic suspension centrifugal blower has been successfully applied in thousands of energy-saving projects in China and some overseas countries and regions, and the energy-saving effect is remarkable.
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